1 /* 2 * wm9712.c -- ALSA Soc WM9712 codec support 3 * 4 * Copyright 2006-12 Wolfson Microelectronics PLC. 5 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 */ 12 13 #include <linux/init.h> 14 #include <linux/slab.h> 15 #include <linux/module.h> 16 #include <linux/kernel.h> 17 #include <linux/device.h> 18 #include <sound/core.h> 19 #include <sound/pcm.h> 20 #include <sound/ac97_codec.h> 21 #include <sound/initval.h> 22 #include <sound/soc.h> 23 #include <sound/tlv.h> 24 #include "wm9712.h" 25 26 struct wm9712_priv { 27 struct snd_ac97 *ac97; 28 unsigned int hp_mixer[2]; 29 struct mutex lock; 30 }; 31 32 static unsigned int ac97_read(struct snd_soc_codec *codec, 33 unsigned int reg); 34 static int ac97_write(struct snd_soc_codec *codec, 35 unsigned int reg, unsigned int val); 36 37 /* 38 * WM9712 register cache 39 */ 40 static const u16 wm9712_reg[] = { 41 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ 42 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ 43 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ 44 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ 45 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ 46 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ 47 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ 48 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ 49 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ 50 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ 51 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ 52 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ 53 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ 54 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ 55 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ 56 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ 57 }; 58 59 #define HPL_MIXER 0x0 60 #define HPR_MIXER 0x1 61 62 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 63 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 64 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 65 "Mono"}; 66 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 67 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 68 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 69 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 70 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 71 "Stereo"}; 72 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 73 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 74 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 75 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 76 77 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0); 78 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0); 79 80 static const struct soc_enum wm9712_enum[] = { 81 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), 82 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), 83 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), 84 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), 85 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), 86 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), 87 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), 88 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), 89 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), 90 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), 91 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), 92 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), 93 }; 94 95 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { 96 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), 97 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), 98 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), 99 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), 100 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), 101 102 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), 103 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), 104 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), 105 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), 106 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), 107 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 108 109 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), 110 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), 111 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), 112 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), 113 SOC_ENUM("ALC Function", wm9712_enum[0]), 114 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), 115 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), 116 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), 117 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), 118 SOC_ENUM("ALC NG Type", wm9712_enum[10]), 119 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), 120 121 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), 122 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), 123 124 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), 125 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), 126 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), 127 128 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), 129 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), 130 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), 131 132 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), 133 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), 134 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), 135 136 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), 137 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), 138 139 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv), 140 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1, 141 boost_tlv), 142 143 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 144 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 145 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 146 147 SOC_ENUM("Bass Control", wm9712_enum[5]), 148 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 149 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 150 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 151 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), 152 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), 153 154 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1), 155 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 156 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0), 157 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 158 159 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv), 160 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv), 161 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv), 162 }; 163 164 static const unsigned int wm9712_mixer_mute_regs[] = { 165 AC97_VIDEO, 166 AC97_PCM, 167 AC97_LINE, 168 AC97_PHONE, 169 AC97_CD, 170 AC97_PC_BEEP, 171 }; 172 173 /* We have to create a fake left and right HP mixers because 174 * the codec only has a single control that is shared by both channels. 175 * This makes it impossible to determine the audio path. 176 */ 177 static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol, 178 struct snd_ctl_elem_value *ucontrol) 179 { 180 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); 181 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); 182 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 183 unsigned int val = ucontrol->value.integer.value[0]; 184 struct soc_mixer_control *mc = 185 (struct soc_mixer_control *)kcontrol->private_value; 186 unsigned int mixer, mask, shift, old; 187 struct snd_soc_dapm_update update; 188 bool change; 189 190 mixer = mc->shift >> 8; 191 shift = mc->shift & 0xff; 192 mask = 1 << shift; 193 194 mutex_lock(&wm9712->lock); 195 old = wm9712->hp_mixer[mixer]; 196 if (ucontrol->value.integer.value[0]) 197 wm9712->hp_mixer[mixer] |= mask; 198 else 199 wm9712->hp_mixer[mixer] &= ~mask; 200 201 change = old != wm9712->hp_mixer[mixer]; 202 if (change) { 203 update.kcontrol = kcontrol; 204 update.reg = wm9712_mixer_mute_regs[shift]; 205 update.mask = 0x8000; 206 if ((wm9712->hp_mixer[0] & mask) || 207 (wm9712->hp_mixer[1] & mask)) 208 update.val = 0x0; 209 else 210 update.val = 0x8000; 211 212 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val, 213 &update); 214 } 215 216 mutex_unlock(&wm9712->lock); 217 218 return change; 219 } 220 221 static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol, 222 struct snd_ctl_elem_value *ucontrol) 223 { 224 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); 225 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); 226 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 227 struct soc_mixer_control *mc = 228 (struct soc_mixer_control *)kcontrol->private_value; 229 unsigned int shift, mixer; 230 231 mixer = mc->shift >> 8; 232 shift = mc->shift & 0xff; 233 234 ucontrol->value.integer.value[0] = 235 (wm9712->hp_mixer[mixer] >> shift) & 1; 236 237 return 0; 238 } 239 240 #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \ 241 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 242 .info = snd_soc_info_volsw, \ 243 .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \ 244 .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \ 245 (xmixer << 8) | xshift, 1, 0, 0) \ 246 } 247 248 /* Left Headphone Mixers */ 249 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 250 WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5), 251 WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4), 252 WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3), 253 WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2), 254 WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1), 255 WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0), 256 }; 257 258 /* Right Headphone Mixers */ 259 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 260 WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5), 261 WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4), 262 WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3), 263 WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2), 264 WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1), 265 WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0), 266 }; 267 268 /* Speaker Mixer */ 269 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 270 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 271 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 272 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 273 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 274 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 275 }; 276 277 /* Phone Mixer */ 278 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 279 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 280 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 281 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 282 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 283 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 284 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 285 }; 286 287 /* ALC headphone mux */ 288 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 289 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 290 291 /* out 3 mux */ 292 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 293 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 294 295 /* spk mux */ 296 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 297 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 298 299 /* Capture to Phone mux */ 300 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 301 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 302 303 /* Capture left select */ 304 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 305 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 306 307 /* Capture right select */ 308 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 309 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 310 311 /* Mic select */ 312 static const struct snd_kcontrol_new wm9712_mic_src_controls = 313 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]); 314 315 /* diff select */ 316 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 317 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 318 319 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 320 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 321 &wm9712_alc_mux_controls), 322 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 323 &wm9712_out3_mux_controls), 324 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 325 &wm9712_spk_mux_controls), 326 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 327 &wm9712_capture_phone_mux_controls), 328 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 329 &wm9712_capture_selectl_controls), 330 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 331 &wm9712_capture_selectr_controls), 332 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0, 333 &wm9712_mic_src_controls), 334 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0, 335 &wm9712_mic_src_controls), 336 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 337 &wm9712_diff_sel_controls), 338 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 339 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1, 340 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)), 341 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1, 342 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)), 343 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 344 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 345 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 346 &wm9712_speaker_mixer_controls[0], 347 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 348 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 349 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 350 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 351 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 352 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 353 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 354 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 355 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 356 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 357 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 358 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 359 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 360 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0), 361 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 362 SND_SOC_DAPM_OUTPUT("MONOOUT"), 363 SND_SOC_DAPM_OUTPUT("HPOUTL"), 364 SND_SOC_DAPM_OUTPUT("HPOUTR"), 365 SND_SOC_DAPM_OUTPUT("LOUT2"), 366 SND_SOC_DAPM_OUTPUT("ROUT2"), 367 SND_SOC_DAPM_OUTPUT("OUT3"), 368 SND_SOC_DAPM_INPUT("LINEINL"), 369 SND_SOC_DAPM_INPUT("LINEINR"), 370 SND_SOC_DAPM_INPUT("PHONE"), 371 SND_SOC_DAPM_INPUT("PCBEEP"), 372 SND_SOC_DAPM_INPUT("MIC1"), 373 SND_SOC_DAPM_INPUT("MIC2"), 374 }; 375 376 static const struct snd_soc_dapm_route wm9712_audio_map[] = { 377 /* virtual mixer - mixes left & right channels for spk and mono */ 378 {"AC97 Mixer", NULL, "Left DAC"}, 379 {"AC97 Mixer", NULL, "Right DAC"}, 380 381 /* Left HP mixer */ 382 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 383 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 384 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 385 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 386 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 387 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 388 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 389 390 /* Right HP mixer */ 391 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 392 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 393 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 394 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 395 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 396 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 397 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 398 399 /* speaker mixer */ 400 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 401 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 402 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 403 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 404 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 405 406 /* Phone mixer */ 407 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 408 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 409 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 410 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 411 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 412 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 413 414 /* inputs */ 415 {"Line PGA", NULL, "LINEINL"}, 416 {"Line PGA", NULL, "LINEINR"}, 417 {"Phone PGA", NULL, "PHONE"}, 418 {"Mic PGA", NULL, "MIC1"}, 419 {"Mic PGA", NULL, "MIC2"}, 420 421 /* microphones */ 422 {"Differential Mic", NULL, "MIC1"}, 423 {"Differential Mic", NULL, "MIC2"}, 424 {"Left Mic Select Source", "Mic 1", "MIC1"}, 425 {"Left Mic Select Source", "Mic 2", "MIC2"}, 426 {"Left Mic Select Source", "Stereo", "MIC1"}, 427 {"Left Mic Select Source", "Differential", "Differential Mic"}, 428 {"Right Mic Select Source", "Mic 1", "MIC1"}, 429 {"Right Mic Select Source", "Mic 2", "MIC2"}, 430 {"Right Mic Select Source", "Stereo", "MIC2"}, 431 {"Right Mic Select Source", "Differential", "Differential Mic"}, 432 433 /* left capture selector */ 434 {"Left Capture Select", "Mic", "MIC1"}, 435 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 436 {"Left Capture Select", "Line", "LINEINL"}, 437 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 438 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 439 {"Left Capture Select", "Phone", "PHONE"}, 440 441 /* right capture selector */ 442 {"Right Capture Select", "Mic", "MIC2"}, 443 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 444 {"Right Capture Select", "Line", "LINEINR"}, 445 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 446 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 447 {"Right Capture Select", "Phone", "PHONE"}, 448 449 /* ALC Sidetone */ 450 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 451 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 452 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 453 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 454 455 /* ADC's */ 456 {"Left ADC", NULL, "Left Capture Select"}, 457 {"Right ADC", NULL, "Right Capture Select"}, 458 459 /* outputs */ 460 {"MONOOUT", NULL, "Phone Mixer"}, 461 {"HPOUTL", NULL, "Headphone PGA"}, 462 {"Headphone PGA", NULL, "Left HP Mixer"}, 463 {"HPOUTR", NULL, "Headphone PGA"}, 464 {"Headphone PGA", NULL, "Right HP Mixer"}, 465 466 /* mono mixer */ 467 {"Mono Mixer", NULL, "Left HP Mixer"}, 468 {"Mono Mixer", NULL, "Right HP Mixer"}, 469 470 /* Out3 Mux */ 471 {"Out3 Mux", "Left", "Left HP Mixer"}, 472 {"Out3 Mux", "Mono", "Phone Mixer"}, 473 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 474 {"Out 3 PGA", NULL, "Out3 Mux"}, 475 {"OUT3", NULL, "Out 3 PGA"}, 476 477 /* speaker Mux */ 478 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 479 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 480 {"Speaker PGA", NULL, "Speaker Mux"}, 481 {"LOUT2", NULL, "Speaker PGA"}, 482 {"ROUT2", NULL, "Speaker PGA"}, 483 }; 484 485 static unsigned int ac97_read(struct snd_soc_codec *codec, 486 unsigned int reg) 487 { 488 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 489 u16 *cache = codec->reg_cache; 490 491 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 492 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 493 reg == AC97_REC_GAIN) 494 return soc_ac97_ops->read(wm9712->ac97, reg); 495 else { 496 reg = reg >> 1; 497 498 if (reg >= (ARRAY_SIZE(wm9712_reg))) 499 return -EIO; 500 501 return cache[reg]; 502 } 503 } 504 505 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 506 unsigned int val) 507 { 508 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 509 u16 *cache = codec->reg_cache; 510 511 soc_ac97_ops->write(wm9712->ac97, reg, val); 512 reg = reg >> 1; 513 if (reg < (ARRAY_SIZE(wm9712_reg))) 514 cache[reg] = val; 515 516 return 0; 517 } 518 519 static int ac97_prepare(struct snd_pcm_substream *substream, 520 struct snd_soc_dai *dai) 521 { 522 struct snd_soc_codec *codec = dai->codec; 523 int reg; 524 u16 vra; 525 struct snd_pcm_runtime *runtime = substream->runtime; 526 527 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 528 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 529 530 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 531 reg = AC97_PCM_FRONT_DAC_RATE; 532 else 533 reg = AC97_PCM_LR_ADC_RATE; 534 535 return ac97_write(codec, reg, runtime->rate); 536 } 537 538 static int ac97_aux_prepare(struct snd_pcm_substream *substream, 539 struct snd_soc_dai *dai) 540 { 541 struct snd_soc_codec *codec = dai->codec; 542 u16 vra, xsle; 543 struct snd_pcm_runtime *runtime = substream->runtime; 544 545 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 546 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 547 xsle = ac97_read(codec, AC97_PCI_SID); 548 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 549 550 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 551 return -ENODEV; 552 553 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 554 } 555 556 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 557 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 558 SNDRV_PCM_RATE_48000) 559 560 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { 561 .prepare = ac97_prepare, 562 }; 563 564 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { 565 .prepare = ac97_aux_prepare, 566 }; 567 568 static struct snd_soc_dai_driver wm9712_dai[] = { 569 { 570 .name = "wm9712-hifi", 571 .playback = { 572 .stream_name = "HiFi Playback", 573 .channels_min = 1, 574 .channels_max = 2, 575 .rates = WM9712_AC97_RATES, 576 .formats = SND_SOC_STD_AC97_FMTS,}, 577 .capture = { 578 .stream_name = "HiFi Capture", 579 .channels_min = 1, 580 .channels_max = 2, 581 .rates = WM9712_AC97_RATES, 582 .formats = SND_SOC_STD_AC97_FMTS,}, 583 .ops = &wm9712_dai_ops_hifi, 584 }, 585 { 586 .name = "wm9712-aux", 587 .playback = { 588 .stream_name = "Aux Playback", 589 .channels_min = 1, 590 .channels_max = 1, 591 .rates = WM9712_AC97_RATES, 592 .formats = SND_SOC_STD_AC97_FMTS,}, 593 .ops = &wm9712_dai_ops_aux, 594 } 595 }; 596 597 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 598 enum snd_soc_bias_level level) 599 { 600 switch (level) { 601 case SND_SOC_BIAS_ON: 602 case SND_SOC_BIAS_PREPARE: 603 break; 604 case SND_SOC_BIAS_STANDBY: 605 ac97_write(codec, AC97_POWERDOWN, 0x0000); 606 break; 607 case SND_SOC_BIAS_OFF: 608 /* disable everything including AC link */ 609 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 610 ac97_write(codec, AC97_POWERDOWN, 0xffff); 611 break; 612 } 613 codec->dapm.bias_level = level; 614 return 0; 615 } 616 617 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 618 { 619 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 620 621 if (try_warm && soc_ac97_ops->warm_reset) { 622 soc_ac97_ops->warm_reset(wm9712->ac97); 623 if (ac97_read(codec, 0) == wm9712_reg[0]) 624 return 1; 625 } 626 627 soc_ac97_ops->reset(wm9712->ac97); 628 if (soc_ac97_ops->warm_reset) 629 soc_ac97_ops->warm_reset(wm9712->ac97); 630 if (ac97_read(codec, 0) != wm9712_reg[0]) 631 goto err; 632 return 0; 633 634 err: 635 dev_err(codec->dev, "Failed to reset: AC97 link error\n"); 636 return -EIO; 637 } 638 639 static int wm9712_soc_resume(struct snd_soc_codec *codec) 640 { 641 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 642 int i, ret; 643 u16 *cache = codec->reg_cache; 644 645 ret = wm9712_reset(codec, 1); 646 if (ret < 0) 647 return ret; 648 649 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY); 650 651 if (ret == 0) { 652 /* Sync reg_cache with the hardware after cold reset */ 653 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 654 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 655 (i > 0x58 && i != 0x5c)) 656 continue; 657 soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]); 658 } 659 } 660 661 return ret; 662 } 663 664 static int wm9712_soc_probe(struct snd_soc_codec *codec) 665 { 666 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 667 int ret = 0; 668 669 wm9712->ac97 = snd_soc_alloc_ac97_codec(codec); 670 if (IS_ERR(wm9712->ac97)) { 671 ret = PTR_ERR(wm9712->ac97); 672 dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret); 673 return ret; 674 } 675 676 ret = wm9712_reset(codec, 0); 677 if (ret < 0) 678 goto err_put_device; 679 680 ret = device_add(&wm9712->ac97->dev); 681 if (ret) 682 goto err_put_device; 683 684 /* set alc mux to none */ 685 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 686 687 return 0; 688 689 err_put_device: 690 put_device(&wm9712->ac97->dev); 691 return ret; 692 } 693 694 static int wm9712_soc_remove(struct snd_soc_codec *codec) 695 { 696 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 697 698 snd_soc_free_ac97_codec(wm9712->ac97); 699 return 0; 700 } 701 702 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = { 703 .probe = wm9712_soc_probe, 704 .remove = wm9712_soc_remove, 705 .resume = wm9712_soc_resume, 706 .read = ac97_read, 707 .write = ac97_write, 708 .set_bias_level = wm9712_set_bias_level, 709 .suspend_bias_off = true, 710 .reg_cache_size = ARRAY_SIZE(wm9712_reg), 711 .reg_word_size = sizeof(u16), 712 .reg_cache_step = 2, 713 .reg_cache_default = wm9712_reg, 714 715 .controls = wm9712_snd_ac97_controls, 716 .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls), 717 .dapm_widgets = wm9712_dapm_widgets, 718 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets), 719 .dapm_routes = wm9712_audio_map, 720 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), 721 }; 722 723 static int wm9712_probe(struct platform_device *pdev) 724 { 725 struct wm9712_priv *wm9712; 726 727 wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL); 728 if (wm9712 == NULL) 729 return -ENOMEM; 730 731 mutex_init(&wm9712->lock); 732 733 platform_set_drvdata(pdev, wm9712); 734 735 return snd_soc_register_codec(&pdev->dev, 736 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai)); 737 } 738 739 static int wm9712_remove(struct platform_device *pdev) 740 { 741 snd_soc_unregister_codec(&pdev->dev); 742 return 0; 743 } 744 745 static struct platform_driver wm9712_codec_driver = { 746 .driver = { 747 .name = "wm9712-codec", 748 }, 749 750 .probe = wm9712_probe, 751 .remove = wm9712_remove, 752 }; 753 754 module_platform_driver(wm9712_codec_driver); 755 756 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 757 MODULE_AUTHOR("Liam Girdwood"); 758 MODULE_LICENSE("GPL"); 759